2009172680

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{38431}}^1$

素因数の和:39749

約数の個数: 32

約数和(自身を含む): 4524215040

約数和(自身を除く): 2515042360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 10456, 13070, 26140, 38431, 52280, 76862, 153724, 192155, 307448, 384310, 768620, 1537240, 50229317, 100458634, 200917268, 251146585, 401834536, 502293170, 1004586340, 2009172680]

約数ペア:

[(1, 2009172680), (2, 1004586340), (4, 502293170), (5, 401834536), (8, 251146585), (10, 200917268), (20, 100458634), (40, 50229317), (1307, 1537240), (2614, 768620), (5228, 384310), (6535, 307448), (10456, 192155), (13070, 153724), (26140, 76862), (38431, 52280)]